Sea Dog Handrail End Fitting. 5.5 degree female end fits 7/8" OD tubing. These Handrail End Fittings are for use in terminating hand rails. Includes set screws where appropriate. Requires 1/8" Allen wrench to install. Constructed of corrosion resistant investment cast 316 stainless steel. Installs with two #10 FH fasteners (not included). *Stainless tube wall thickness 0.049".